The telephone system has broken down.

电话系统瘫痪了。

Alex explained that his car had broken down.

亚历克斯解释说他的汽车出了毛病。

Foods are broken down in the digestive tract.

食物在消化道内被分解。

Each lesson is broken down into several units.

每一课都分成几部分。

Sugar and starch are broken down in the stomach.

糖和淀粉在胃里被分解。

Negotiations between the two sides have broken down.

双方谈判失败了。

They are made in 10 minutes, used in 20 minutes and normally remain on the earth for over 100 years since they are hard to be broken down.

它们在10分钟内制成，在20分钟内使用完毕，但由于很难被降解，它们通常会在地球上残留100年以上。

My car has broken down.

我的汽车出故障了。

It could also be broken down into its component parts—oxygen and hydrogen.

它也可以按照组成部分被分解——氧和氢。

The shell somehow has to be broken down before this germination ability expires.

外壳必须在这种发芽能力失效之前被以某种方法破坏掉。

You can look at the nutrient broken down as a function of the percent daily values.

你可以把分解的营养成分看做及每日建议摄取量的一个功能。

The rocks get broken down into smaller and smaller particles as they are weathered.

岩石在风化过程中被分解成越来越小的颗粒。

Phosphorus is slowly released as the rocks are broken down and it gets spread around into the soil.

随着岩石的分解，磷被缓慢地释放出来，并散布到土壤中。

Some people experience shyness as a barrier to communication, but this can be broken down gradually.

有些人觉得羞怯是交际上的障碍，但这是可以逐渐克服的。

It might be tempting, therefore, to think that the old barriers have been broken down and equal opportunity achieved.

因此，人们可能会很容易地认为旧的障碍已经打破，平等的机会已经实现。

In other words, organic matter gets broken down and added into the soil more quickly in these gaps than in the surrounding forest.

换句话说，这些空地上的有机物分解并进入土壤的速度比周围森林中的更快。

The nanostructures don't break down the actual clothing because cotton and the other clothing materials are too strong to be broken down.

纳米结构不能破坏真正的衣服，因为棉花和其他衣服的材料太结实了，无法破坏。

The exposed rocks are attacked by the various weather processes and gradually broken down into fragments, which are then carried away and later deposited as sediments.

裸露的岩石受到各种天气过程的侵蚀，逐渐分解成碎片，然后被带走，最后沉积形成沉积物。

We had to move water by a chain pump because the electric pump had broken down.

抽水机坏了，只好用人工车水。

It was considered a rite of passage to own a broken down vehicle.

人们认为汽车抛锚是人生的必经之路。

When Vitamin C is taken, it is broken down into dehydroascorbic acid (DHAA).

服用维生素 C 时，它会分解成脱氢抗坏血酸（DHAA）。

Proteins in food are broken down into smaller peptide chains by digestive enzymes such as pepsin and dipeptidase.

食物中的蛋白质被消化酶分解成小肽链，如胃蛋白酶和二肽酶。

HC is broken down in two components.

HC分为两个组件。

We need it broken down.

我们需要分解开来的人生。

The debt is also broken down by sector.

债务同样可以根据部门来细分。

Almost all behaviors can be broken down.

几乎所以的行为都可以分解。

This is broken down into three problems.

可以将其分解成三个问题。

Connectors are broken down into two parts.

连接器分为两个部分。

Time has broken down that sense of distance.

时间已经打破了那种距离感。

The latest round of pay talks has broken down.

最近一轮的工资谈判已经破裂。